Software Design and Development

Question 1

Analysis

Answer 1

production of a software specification that will outline what the software must do.

Question 2

Design

Answer 2

plan the design of the program, and the user interface

Question 3

implementation

Answer 3

write the code for the program/software

Question 4

Testing

Answer 4

fully test the program to ensure that all aspects work correctly

Question 5

Documentation

Answer 5

technical guide- how to install software - and user guide software

Question 6

Evaluation

Answer 6

is the program fit for purpose and robust

Question 7

ADITDE

Answer 7

the software development program

Question 8

ADITDE is an iterative process? What does this mean?

Answer 8

An iterative process is one where each stage may have to be revisited as a result of new information coming to live

Question 9

Input -

Answer 9

data that is entered into the program

Question 10

Processes -

Answer 10

what the program does with the inputted data

Question 11

Output

Answer 11

data that is outputted to the user

Question 12

Inputs, processes and outputs are what part of the software process

Answer 12

analysis

Question 13

What is Psuedocode?

Answer 13

Psuedocode is structured English for describing a program read by a human

Question 14

Structure Diagram

Answer 14

breaks the problems down into smaller sections

Question 15

Flowchart

Answer 15

shows what is going on in a program and how data flows around it

Question 16

String

Answer 16

stores text and alphanumeric combinations

Question 17

Character

Answer 17

stores a single character which can be a letter, number or symbol

Question 18

integer

Answer 18

stores positive and negative whole numbers

Question 19

real/float

Answer 19

stores numbers with decimal places, can also store integers

Question 20

boolean

Answer 20

stores TRUE or FALSE only

Question 21

arrays

Answer 21

stores a list of related data (starts at index 0)

Question 22

What are variables?

Answer 22

Variables are locations in memory where programs store and retrieve information

Question 23

ARITHMETIC OPERATIONS

Answer 23

addition, subtraction, multiplication, division, exponentiation

Question 24

Concatenate

Answer 24

the processes of joining two or more strings to make a new text string.

Question 25

Selection

Answer 25

The program selects an action dependant upon the value of variables.

Question 26

Selection statements

Answer 26

If, Then

If, Then, ELse

If, Then, ELse if

Question 27

<

Answer 27

less than

Question 28

>

Answer 28

more than

Question 29

<=

Answer 29

Less than or equal to

Question 30

> =

Answer 30

More than or equal to

Question 31

==

Answer 31

Equality

Question 32

!=

Answer 32

Not equal to

Question 33

Complex Conditions

Answer 33

AND - both conditions must be true

OR - either conditions must be tru

Question 34

NOT

Answer 34

the condition shouldn’t be true

Question 35

What is iteration?

Answer 35

Iteration is the process where program repeat a group of instruction

Question 36

Fixed Loop

Answer 36

when a group of instructions is repeated a pre-determined number of times.

Question 37

Conditional LOOP

Answer 37

will keep repeating a group of instructions until a specific conditional is met.

Question 38

Predefined functions (with parameters)

Answer 38

A pre-defined function is a segment of code that can be referred to and it will do something useful.

Question 39

what is the purpose of testing?

Answer 39

to detect and remove errors in a program

Question 40

Normal Data

Answer 40

data that you would expect to work or be accepted (value within the range)

Question 41

Extreme Data

Answer 41

data at the lower and upper limits of what is expected. (lowest/highest value)

Question 42

Exceptional Data

Answer 42

data that should not be accepted by the program (value outside of the range.

Question 43

Test Table

Answer 43

provide a structure to testing, and evidence that testing has taken place

Question 44

How many types of errors can a program have?

Answer 44

3

Question 45

Syntax Error

Answer 45

This is an error in the spelling or grammar used when coding

Question 46

Execution error

Answer 46

This type of error occurs when the program is asked to do something that it cannot do, resulting in a crash

Question 47

Logic error

Answer 47

This is an error in the logic of the code. Program will run but provide unexpected results.

Question 48

internal commentary

Answer 48

add descriptions, notes and explanation to the code

Question 49

meaningful identifiers

Answer 49

use variable names that describe what the variable contains

Question 50

indentation

Answer 50

makes it easier to identify constructs. Mandatory in Python.

Question 51

white space

Answer 51

helps make the steps of the program clearer.